4dl.pl February 20, 2026
Your site's load speed has a direct and measurable impact on user experience, engagement, and conversion rates. Being the largest asset you'll typically find a page, images are often a prime target for optimization.
Below is a breakdown of how much individual images could be reduced by using PicPerf. This analysis was run by loading the page on a simulated mobile device. Every image was then run through a series of optimizations to estimate potential savings.
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Original Size
Optimized Size
Savings
139 KB
10 KB
93%
112 KB
9 KB
92%
27 KB
4 KB
87%
15 KB
2 KB
86%
25 KB
4 KB
86%
25 KB
4 KB
85%
27 KB
4 KB
84%
226 KB
37 KB
84%
20 KB
3 KB
84%
19 KB
3 KB
83%
2 KB
423 bytes
73%
4 KB
1 KB
73%
2 KB
539 bytes
71%
3 KB
787 bytes
70%
2 KB
646 bytes
70%
2 KB
583 bytes
68%
2 KB
768 bytes
65%
358 KB
140 KB
61%
3 KB
1 KB
56%
1 KB
600 bytes
55%
1 KB
656 bytes
55%
1 KB
629 bytes
54%
598 bytes
275 bytes
54%
1 KB
677 bytes
53%
500 bytes
236 bytes
53%
798 bytes
379 bytes
52%
3 KB
1 KB
52%
1 KB
675 bytes
52%
1 KB
714 bytes
52%
2 KB
740 bytes
52%
1 KB
695 bytes
51%
1 KB
544 bytes
51%
2 KB
763 bytes
51%
2 KB
840 bytes
51%
1 KB
700 bytes
50%
1 KB
576 bytes
50%
1 KB
576 bytes
50%
3 KB
1 KB
50%
2 KB
927 bytes
50%
994 bytes
505 bytes
49%
1 KB
758 bytes
49%
959 bytes
490 bytes
49%
959 bytes
490 bytes
49%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_016-landing_page-browser-plane-web-e1520351767225.png
479 bytes
245 bytes
49%
1 KB
613 bytes
48%
982 bytes
507 bytes
48%
1 KB
697 bytes
48%
1 KB
617 bytes
48%
839 bytes
435 bytes
48%
726 bytes
379 bytes
48%
1 KB
699 bytes
47%
1 KB
568 bytes
47%
2 KB
935 bytes
47%
1 KB
689 bytes
46%
785 bytes
423 bytes
46%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_049-engatement-chat-talk-comment-e1520348627839.png
2 KB
1 KB
44%
801 bytes
452 bytes
43%
1 KB
713 bytes
43%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_003-marketing-mobile-loudspeaker-phone-e1520348650804.png
2 KB
1 KB
42%
1 KB
583 bytes
42%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_046-affiliate-user-social-sharing-e1520348616103.png
2 KB
1 KB
42%
976 bytes
564 bytes
42%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_034-keywork-research-search-setting-copy-e1520348819860.png
1 KB
748 bytes
41%
https://www.4dl.pl/wp-content/uploads/2018/02/SEO_001-market-viral-loudspeaker-sound-e1520348642460.png
2 KB
988 bytes
41%
509 bytes
301 bytes
41%
1 KB
639 bytes
40%
2 KB
1 KB
40%
2 KB
1 KB
40%
2 KB
1 KB
38%
2 KB
1 KB
36%
2 KB
1 KB
34%
3 KB
2 KB
28%
3 KB
2 KB
28%
7 KB
5 KB
22%